Base | Representation |
---|---|
bin | 1100010110101000000… |
… | …0111000001000101011 |
3 | 202021210210222021221011 |
4 | 3011222000320020223 |
5 | 11434122343343311 |
6 | 241255324324351 |
7 | 21222210224353 |
oct | 3055200701053 |
9 | 667723867834 |
10 | 212232012331 |
11 | 820094900a9 |
12 | 351700a36b7 |
13 | 17023568bb1 |
14 | a3b4855b63 |
15 | 57c2274321 |
hex | 316a03822b |
212232012331 has 16 divisors (see below), whose sum is σ = 222677215488. Its totient is φ = 201889749600.
The previous prime is 212232012319. The next prime is 212232012361. The reversal of 212232012331 is 133210232212.
It is not a de Polignac number, because 212232012331 - 29 = 212232011819 is a prime.
It is a super-2 number, since 2×2122320123312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212232012361) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6686160 + ... + 6717826.
It is an arithmetic number, because the mean of its divisors is an integer number (13917325968).
Almost surely, 2212232012331 is an apocalyptic number.
212232012331 is a deficient number, since it is larger than the sum of its proper divisors (10445203157).
212232012331 is a wasteful number, since it uses less digits than its factorization.
212232012331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33282.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 212232012331 its reverse (133210232212), we get a palindrome (345442244543).
The spelling of 212232012331 in words is "two hundred twelve billion, two hundred thirty-two million, twelve thousand, three hundred thirty-one".
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